/**
 * KSE user documentation — sidebar + long-form guides
 */

.kse-docs-hero p {
  max-width: 38rem;
}

.kse-docs-layout {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  max-width: calc(var(--kse-max) + 220px);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3rem) var(--kse-section-x) clamp(3rem, 6vw, 4.5rem);
  align-items: start;
}

/* Sidebar */
.kse-docs-nav {
  position: sticky;
  top: calc(var(--hm-chrome-h, 6rem) + 1rem);
  max-height: calc(100vh - var(--hm-chrome-h, 6rem) - 2rem);
  overflow-y: auto;
  scrollbar-width: thin;
}

.kse-docs-nav__inner {
  padding: 1rem 0;
  border-right: 1px solid var(--kse-line);
  padding-right: 1.25rem;
}

.kse-docs-nav__group {
  margin-bottom: 1.15rem;
}

.kse-docs-nav__group:last-child {
  margin-bottom: 0;
}

.kse-docs-nav__title {
  margin: 0 0 0.4rem;
  font-family: var(--kse-mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kse-muted-light);
}

.kse-docs-nav__group ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.kse-docs-nav__link {
  display: block;
  padding: 0.32rem 0.5rem;
  margin-left: -0.5rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--kse-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.kse-docs-nav__link:hover {
  color: var(--kse-brand);
  background: var(--kse-brand-tint);
}

.kse-docs-nav__link.is-active {
  color: var(--kse-brand);
  font-weight: 600;
  border-left-color: var(--kse-brand);
  background: var(--kse-brand-tint);
}

/* Main content */
.kse-docs-main {
  min-width: 0;
}

.kse-docs-section {
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--kse-line);
  scroll-margin-top: calc(var(--hm-chrome-h, 6rem) + 1rem);
}

.kse-docs-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.kse-docs-section__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 2.8vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--kse-ink);
}

.kse-docs-section__title--tool {
  margin-bottom: 0.25rem;
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
}

.kse-docs-section__intro {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--kse-muted);
}

.kse-docs-section__text {
  margin: 0 0 0.85rem;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--kse-ink-soft);
}

.kse-docs-subtitle {
  margin: 1.5rem 0 0.65rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--kse-ink-soft);
}

.kse-docs-list {
  margin: 0 0 1rem;
  padding-left: 1.15rem;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--kse-ink-soft);
}

.kse-docs-list li {
  margin-bottom: 0.35rem;
}

.kse-docs-steps {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  counter-reset: docstep;
}

.kse-docs-steps > li {
  position: relative;
  counter-increment: docstep;
  margin-bottom: 1rem;
  padding: 1rem 1rem 1rem 3rem;
  border-radius: var(--kse-radius-lg);
  border: 1px solid var(--kse-line);
  background: var(--kse-white);
  box-shadow: var(--kse-shadow-xs);
}

.kse-docs-steps > li::before {
  content: counter(docstep);
  position: absolute;
  left: 1rem;
  top: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 6px;
  background: var(--kse-gradient-brand);
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
}

.kse-docs-steps > li strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  color: var(--kse-ink);
}

.kse-docs-steps > li p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--kse-muted);
}

.kse-docs-steps > li p code {
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  background: var(--kse-brand-tint);
  font-family: var(--kse-mono);
  font-size: 0.78rem;
  color: var(--kse-brand-deep);
}

.kse-docs-steps > li p a {
  color: var(--kse-brand);
  font-weight: 600;
}

.kse-docs-callout {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border-radius: var(--kse-radius);
  border: 1px solid var(--kse-brand-mist);
  background: var(--kse-brand-tint);
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--kse-ink-soft);
}

.kse-docs-callout ion-icon {
  flex-shrink: 0;
  margin-top: 0.1rem;
  font-size: 1.1rem;
  color: var(--kse-brand);
}

/* Tool sections */
.kse-docs-tool-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1rem;
}

.kse-docs-tool-head__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--kse-radius-lg);
  background: var(--kse-gradient-brand);
  color: #fff;
  font-size: 1.35rem;
}

.kse-docs-tool-head__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.35rem;
}

.kse-docs-tool-head__cat {
  font-family: var(--kse-mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--kse-muted-light);
}

.kse-docs-tool-head__tagline {
  margin: 0;
  font-size: 0.88rem;
  color: var(--kse-muted);
}

.kse-docs-features {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.kse-docs-features li {
  padding: 0.75rem 0.9rem;
  border-radius: var(--kse-radius);
  border: 1px solid var(--kse-line);
  background: var(--kse-surface);
}

.kse-docs-features li strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.84rem;
  color: var(--kse-ink);
}

.kse-docs-features li span {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--kse-muted);
}

.kse-docs-workflow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.25rem;
  margin-bottom: 1rem;
}

.kse-docs-workflow__step {
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--kse-line-strong);
  background: var(--kse-white);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--kse-ink-soft);
}

.kse-docs-workflow ion-icon {
  font-size: 0.75rem;
  color: var(--kse-muted-light);
}

.kse-docs-integrations {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.kse-docs-integrations__chip {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--kse-brand-mist);
  background: var(--kse-brand-tint);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--kse-brand);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.kse-docs-integrations__chip:hover {
  background: var(--kse-brand-mist);
  border-color: var(--kse-brand);
}

.kse-docs-tips {
  margin-top: 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: var(--kse-radius-lg);
  border: 1px dashed var(--kse-line-strong);
  background: var(--kse-surface);
}

.kse-docs-tips__label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--kse-brand);
}

.kse-docs-tips ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--kse-muted);
}

.kse-docs-tool-link {
  margin: 1.25rem 0 0;
}

.kse-docs-tool-link a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--kse-brand);
  text-decoration: none;
}

.kse-docs-tool-link a:hover {
  color: var(--kse-brand-hover);
}

.kse-docs-support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

@media (max-width: 960px) {
  .kse-docs-layout {
    grid-template-columns: 1fr;
  }

  .kse-docs-nav {
    position: static;
    max-height: none;
    margin-bottom: 0.5rem;
  }

  .kse-docs-nav__inner {
    border-right: none;
    border-bottom: 1px solid var(--kse-line);
    padding-right: 0;
    padding-bottom: 1rem;
  }

  .kse-docs-nav__group ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
  }

  .kse-docs-nav__link {
    margin-left: 0;
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--kse-line);
    border-radius: 999px;
    font-size: 0.72rem;
    border-left: 1px solid var(--kse-line);
  }

  .kse-docs-nav__link.is-active {
    border-color: var(--kse-brand);
  }
}

@media (max-width: 640px) {
  .kse-docs-tool-head {
    grid-template-columns: 1fr;
  }

  .kse-docs-workflow {
    flex-direction: column;
    align-items: flex-start;
  }

  .kse-docs-workflow ion-icon {
    display: none;
  }
}